SeasonMapAtlanta vs San Francisco: which is better, month by month
San Francisco beats Atlanta in 7 of 12 months — its lead peaks in August (95 vs 65) — while Atlanta wins April; they are within 3 points in the other 4 months.
Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Atlanta vs San Francisco — all 12 months
| Month | Atlanta | San Francisco | Winner | Gap |
|---|---|---|---|---|
| January | 62Ccold, rainy, clean air | 68Ccool, rainy, clean air | San Francisco | 6 |
| February | 69Ccool, rainy, clean air | 75Bcool, rainy, muggy air | San Francisco | 6 |
| March | 79Bnice, rainy, clean air | 76Bcool, rainy, clean air | Tie | 3 |
| April | 90Snice, rainy, clean air | 85Anice, a little rain, clean air | Atlanta | 5 |
| May | 84Ahot, rainy | 88Anice, dry, clean air | San Francisco | 4 |
| June | 73Bhot, rainy | 92Snice, dry, clean air | San Francisco | 19 |
| July | 64Csweltering, rainy, muggy air | 93Snice, dry, clean air | San Francisco | 29 |
| August | 65Csweltering, rainy, muggy air | 95Snice, dry, clean air | San Francisco | 30 |
| September | 80Ahot, rainy | 96Snice, dry, clean air | San Francisco | 16 |
| October | 91Swarm, rainy, clean air | 90Snice, dry, clean air | Tie | 1 |
| November | 77Bnice, a little rain, clean air | 80Anice, a little rain, clean air | Tie | 3 |
| December | 66Ccool, rainy, clean air | 67Ccool, rainy, clean air | Tie | 1 |
A month is a tie when the two are within 3 points. The widest gap is August (65 vs 95). Tap a month for that month's temperature, rain, humidity and air quality side by side.